Rejetting Carbs..


Information and questions on GL1000 Goldwings (1975-1979)
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spookytooth
Posts: 152
Joined: Thu Apr 18, 2013 7:41 pm
Location: Houghton Lake, Michigan
Motorcycle: 1979 gl1000

Rejetting Carbs..

Postby spookytooth » Thu May 01, 2014 9:11 pm



Perusing the forum and ran across this...

viewtopic.php?f=3&t=9420&p=43677&hilit=rejet+carbs#p43686

How accurate is the statement about not having to rejet for straight pipes? I was under the impression that not enough back pressure would cause exhaust valves to burn?



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Placerville
Posts: 423
Joined: Tue Mar 09, 2010 12:58 pm
Location: Placerville, CA
Motorcycle: 1976 Naked Yellow

Re: Rejetting Carbs..

Postby Placerville » Thu May 01, 2014 10:37 pm

It's accurate. No need to rejet when changing exhausts. You only need to rejet if you're changing the intake, air filter, bigger cams, turbo charging etc. Intake or carbs - rejet. Exhaust - no jetting required.
Placerville- 1976 Yellow
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spookytooth
Posts: 152
Joined: Thu Apr 18, 2013 7:41 pm
Location: Houghton Lake, Michigan
Motorcycle: 1979 gl1000

Re: Rejetting Carbs..

Postby spookytooth » Fri May 02, 2014 7:47 am

Heh... The opposite of what I thought.

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Fred Camper
Posts: 1152
Joined: Sun Aug 16, 2009 9:15 pm
Location: Metro Detroit, MI
Motorcycle: 1977 GL1000, 1976 LTD GL1000

Re: Rejetting Carbs..

Postby Fred Camper » Fri May 02, 2014 8:10 pm

The GL is just not sensitive to exhaust back pressure. But perhaps more sensitive to intake changes.

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spookytooth
Posts: 152
Joined: Thu Apr 18, 2013 7:41 pm
Location: Houghton Lake, Michigan
Motorcycle: 1979 gl1000

Re: Rejetting Carbs..

Postby spookytooth » Fri May 02, 2014 8:46 pm

The guy down at the Honda dealership told me a free flow exhaust or even a leaky stock exhaust would burn valves. This changes everything. I wish I would have inquired about this sooner...

graverobber1971
Posts: 2
Joined: Mon Jun 20, 2016 8:42 pm
Location: hornell new york
Motorcycle: 1979 go 1000

Re: Rejetting Carbs..

Postby graverobber1971 » Tue Jun 21, 2016 1:29 pm

My exhaust is rotted I'm in NY and ride as much as I can so not good for metal part's. But when my holes get too big it won't run right. It needs the back pressure if you open the exhaust you need to jet or it won't run smooth it runs like you have water in your fuel. Just saying from experience! Hope this helps.




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